When troubleshooting problems with the LMB’s fluorescence microscopes the Light Microscopy Facility sometimes use lens tissue as a test sample since there is always some to hand. Normally they use scientific cameras to take images, which do not see the whole image that comes out of the microscope body and therefore crop the image to a square (or rectangle). On this occasion Jon Howe decided to take an image down the eyepiece with his phone camera allowing him to capture the whole field of view – hence the round image for day 62 of #LMB365.